.todo_list_container
{
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.todo_list_wrapper
{
  width: 80%;
  height: 200px;
  border: 1px solid  blue;
}

.todo_item_container
{
  width: 100%;
  height: 40px;
  margin-top: 10px;
  background-color: lightgray;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
}